Table A.1: Watchdog Timer Registers - Advantech PCA-6763 User Manual

Table A.1: Watchdog timer registers

Address of Attribute
register (2E) Read/Write
87 (hex) -----
07 (hex) write
30 (hex) write
F5 (hex) write
Unlock
NCT6776D
Select register of
watchdog timer
Enable the function of
the watchdog timer
Use the function of
the watchdog timer
Lock
NCT6776D
Value (2F)& description
Write this address to I/O address port 2E (hex) twice to
unlock the NCT6776D.
Write 08 (hex) to select register of watchdog timer.
Write 01 (hex) to enable the function of the watchdog
timer. Disabled is set as default.
Set seconds or minutes as units for the timer. Write 0 to
bit 3: set second as counting unit. [default]. Write 1 to bit
3: set minutes as counting unit.
Write 1 to bit 4: Watchdog timer count mode is 1000
times faster.
If bit 3 is 0, the count mode is 1/1000 seconds mode. If
bit 3 is 1, the count mode is 1/1000 minutes mode.
59 PCA-6763 User Manual